| Olbia to Fortuna Foothills (Arizona) | 6,223.67 mi (10,016.02 km) |
| Olbia to Foster City (California) | 6,217.66 mi (10,006.35 km) |
| Olbia to Fostoria (Ohio) | 4,579.93 mi (7,370.69 km) |
| Olbia to Fountain (Colorado) | 5,551.04 mi (8,933.53 km) |
| Olbia to Fountain Hills (Arizona) | 6,075.36 mi (9,777.35 km) |
| Olbia to Fountain Inn (South Carolina) | 4,784.21 mi (7,699.44 km) |
| Olbia to Fountain Valley (California) | 6,292.60 mi (10,126.96 km) |
| Olbia to Fountainebleau (Florida) | 5,067.67 mi (8,155.62 km) |
| Olbia to Four Corners (Oregon) | 5,816.69 mi (9,361.05 km) |
| Olbia to Four Corners (Texas) | 5,612.28 mi (9,032.09 km) |
| Olbia to Four Square Mile (Colorado) | 5,509.72 mi (8,867.03 km) |
| Olbia to Fox Crossing (Wisconsin) | 4,668.19 mi (7,512.73 km) |
| Olbia to Fox Lake (Illinois) | 4,729.68 mi (7,611.69 km) |
| Olbia to Framingham (Massachusetts) | 4,012.17 mi (6,456.97 km) |
| Olbia to Franconia (Virginia) | 4,395.12 mi (7,073.26 km) |
